39873522 has 24 divisors (see below), whose sum is σ = 86355504. Its totient is φ = 12268464.

The previous prime is 39873511. The next prime is 39873541. The reversal of 39873522 is 22537893.

39873522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18648 + ... + 20675.

It is an arithmetic number, because the mean of its divisors is an integer number (3598146).

Almost surely, 2^39873522 is an apocalyptic number.

39873522 is an abundant number, since it is smaller than the sum of its proper divisors (46481982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39873522 is a wasteful number, since it uses less digits than its factorization.

39873522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39354 (or 39341 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 39873522 is about 6314.5484399124. The cubic root of 39873522 is about 341.6343515210.

It can be divided in two parts, 398 and 73522, that added together give a triangular number (73920 = T₃₈₄).

The spelling of 39873522 in words is "thirty-nine million, eight hundred seventy-three thousand, five hundred twenty-two".